Home / 108,137.20-149,229.65-60,392.36

Finding the Fourth Proportional to 108,137.20, 149,229.65 and 60,392.36

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Solution

The fourth proportional to 108,137.20, 149,229.65 and 60,392.36 is: 83,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,137.20 : 149,229.65 = 60,392.36 : x
  2. Step 2: Convert to fraction form
    108,137.20/149,229.65 = 60,392.36/x
  3. Step 3: Cross multiply
    108,137.20x = 149,229.65 × 60,392.36
  4. Step 4: Simplify right side
    108,137.20x = 9,012,330,150.31
  5. Step 5: Solve for x
    x = 9,012,330,150.31/108,137.20
  6. Step 6: Final answer
    x = 83,341.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.